243416720

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{239}}^1\times {\mathrm{439}}^1$

素因数の和:720

約数の個数: 80

約数和(自身を含む): 589248000

約数和(自身を除く): 345831280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 232, 239, 290, 439, 464, 478, 580, 878, 956, 1160, 1195, 1756, 1912, 2195, 2320, 2390, 3512, 3824, 4390, 4780, 6931, 7024, 8780, 9560, 12731, 13862, 17560, 19120, 25462, 27724, 34655, 35120, 50924, 55448, 63655, 69310, 101848, 104921, 110896, 127310, 138620, 203696, 209842, 254620, 277240, 419684, 509240, 524605, 554480, 839368, 1018480, 1049210, 1678736, 2098420, 3042709, 4196840, 6085418, 8393680, 12170836, 15213545, 24341672, 30427090, 48683344, 60854180, 121708360, 243416720]

約数ペア:

[(1, 243416720), (2, 121708360), (4, 60854180), (5, 48683344), (8, 30427090), (10, 24341672), (16, 15213545), (20, 12170836), (29, 8393680), (40, 6085418), (58, 4196840), (80, 3042709), (116, 2098420), (145, 1678736), (232, 1049210), (239, 1018480), (290, 839368), (439, 554480), (464, 524605), (478, 509240), (580, 419684), (878, 277240), (956, 254620), (1160, 209842), (1195, 203696), (1756, 138620), (1912, 127310), (2195, 110896), (2320, 104921), (2390, 101848), (3512, 69310), (3824, 63655), (4390, 55448), (4780, 50924), (6931, 35120), (7024, 34655), (8780, 27724), (9560, 25462), (12731, 19120), (13862, 17560)]